/******************************************************************************
*
* Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
*
* Modifications for inclusion into the Linux staging tree are
* Copyright(c) 2010 Larry Finger. All rights reserved.
*
* Contact information:
* WLAN FAE <wlanfae@realtek.com>
* Larry Finger <Larry.Finger@lwfinger.net>
*
******************************************************************************/
#ifndef __IEEE80211_H
#define __IEEE80211_H
#include "osdep_service.h"
#include "drv_types.h"
#include "wifi.h"
#include <linux/compiler.h>
#include <linux/wireless.h>
#define MGMT_QUEUE_NUM 5
#define ETH_ALEN 6
#define IEEE_CMD_SET_WPA_PARAM 1
#define IEEE_CMD_SET_WPA_IE 2
#define IEEE_CMD_SET_ENCRYPTION 3
#define IEEE_CMD_MLME 4
#define IEEE_PARAM_WPA_ENABLED 1
#define IEEE_PARAM_TKIP_COUNTERMEASURES 2
#define IEEE_PARAM_DROP_UNENCRYPTED 3
#define IEEE_PARAM_PRIVACY_INVOKED 4
#define IEEE_PARAM_AUTH_ALGS 5
#define IEEE_PARAM_IEEE_802_1X 6
#define IEEE_PARAM_WPAX_SELECT 7
#define AUTH_ALG_OPEN_SYSTEM 0x1
#define AUTH_ALG_SHARED_KEY 0x2
#define AUTH_ALG_LEAP 0x00000004
#define IEEE_MLME_STA_DEAUTH 1
#define IEEE_MLME_STA_DISASSOC 2
#define IEEE_CRYPT_ERR_UNKNOWN_ALG 2
#define IEEE_CRYPT_ERR_UNKNOWN_ADDR 3
#define IEEE_CRYPT_ERR_CRYPT_INIT_FAILED 4
#define IEEE_CRYPT_ERR_KEY_SET_FAILED 5
#define IEEE_CRYPT_ERR_TX_KEY_SET_FAILED 6
#define IEEE_CRYPT_ERR_CARD_CONF_FAILED 7
#define IEEE_CRYPT_ALG_NAME_LEN 16
#define WPA_CIPHER_NONE BIT(0)
#define WPA_CIPHER_WEP40 BIT(1)
#define WPA_CIPHER_WEP104 BIT(2)
#define WPA_CIPHER_TKIP BIT(3)
#define WPA_CIPHER_CCMP BIT(4)
#define WPA_SELECTOR_LEN 4
#define RSN_HEADER_LEN 4
#define RSN_SELECTOR_LEN 4
enum NETWORK_TYPE {
WIRELESS_INVALID = 0,
WIRELESS_11B = 1,
WIRELESS_11G = 2,
WIRELESS_11BG = (WIRELESS_11B | WIRELESS_11G),
WIRELESS_11A = 4,
WIRELESS_11N = 8,
WIRELESS_11GN = (WIRELESS_11G | WIRELESS_11N),
WIRELESS_11BGN = (WIRELESS_11B | WIRELESS_11G | WIRELESS_11N),
};
struct ieee_param {
u32 cmd;
u8 sta_addr[ETH_ALEN];
union {
struct {
u8 name;
u32 value;
} wpa_param;
struct {
u32 len;
u8 reserved[32];
u8 data[0];
} wpa_ie;
struct {
int command;
int reason_code;
} mlme;
struct {
u8 alg[IEEE_CRYPT_ALG_NAME_LEN];
u8 set_tx;
u32 err;
u8 idx;
u8 seq[8]; /* sequence counter (set: RX, get: TX) */
u16 key_len;
u8 key[0];
} crypt;
} u;
};
#define IEEE80211_DATA_LEN 2304
/* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
* 6.2.1.1.2.
*
* The figure in section 7.1.2 suggests a body size of up to 2312
* bytes is allowed, which is a bit confusing, I suspect this
* represents the 2304 bytes of real data, plus a possible 8 bytes of
* WEP IV and ICV. (this interpretation suggested by Ramiro Barreiro)
*/
#define IEEE80211_HLEN 30
#define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN)
/* this is stolen from ipw2200 driver */
#define IEEE_IBSS_MAC_HASH_SIZE 31
struct ieee_ibss_seq {
u8 mac[ETH_ALEN];
u16 seq_num;
u16 frag_num;
unsigned long packet_time;
struct list_head list;
};
struct ieee80211_hdr {
u16 frame_ctl;
u16 duration_id;
u8 addr1[ETH_ALEN];
u8 addr2[ETH_ALEN];
u8 addr3[ETH_ALEN];
u16 seq_ctl;
u8 addr4[ETH_ALEN];
} __packed;
struct ieee80211_hdr_3addr {
u16 frame_ctl;
u16 duration_id;
u8 addr1[ETH_ALEN];
u8 addr2[ETH_ALEN];
u8 addr3[ETH_ALEN];
u16 seq_ctl;
} __packed;
struct ieee80211_hdr_qos {
u16 frame_ctl;
u16 duration_id;
u8 addr1[ETH_ALEN];
u8 addr2[ETH_ALEN];
u8 addr3[ETH_ALEN];
u16 seq_ctl;
u8 addr4[ETH_ALEN];
u16 qc;
} __packed;
struct ieee80211_hdr_3addr_qos {
u16 frame_ctl;
u16 duration_id;
u8 addr1[ETH_ALEN];
u8 addr2[ETH_ALEN];
u8 addr3[ETH_ALEN];
u16 seq_ctl;
u16 qc;
} __packed;
struct eapol {
u8 snap[6];
u16 ethertype;
u8 version;
u8 type;
u16 length;
} __packed;
enum eap_type {
EAP_PACKET = 0,
EAPOL_START,
EAPOL_LOGOFF,
EAPOL_KEY,
EAPOL_ENCAP_ASF_ALERT
};
#define IEEE80211_3ADDR_LEN 24
#define IEEE80211_4ADDR_LEN 30
#define IEEE80211_FCS_LEN 4
#define MIN_FRAG_THRESHOLD 256U
#define MAX_FRAG_THRESHOLD 2346U
/* Frame control field constants */
#define IEEE80211_FCTL_VERS 0x0002
#define IEEE80211_FCTL_FTYPE 0x000c
#define IEEE80211_FCTL_STYPE 0x00f0
#define IEEE80211_FCTL_TODS 0x0100
#define IEEE80211_FCTL_FROMDS 0x0200
#define IEEE80211_FCTL_MOREFRAGS 0x0400
#define IEEE80211_FCTL_RETRY 0x0800
#define IEEE80211_FCTL_PM 0x1000
#define IEEE80211_FCTL_MOREDATA 0x2000
#define IEEE80211_FCTL_WEP 0x4000
#define IEEE80211_FCTL_ORDER 0x8000
#define IEEE80211_FTYPE_MGMT 0x0000
#define IEEE80211_FTYPE_CTL 0x0004
#define IEEE80211_FTYPE_DATA 0x0008
/* management */
#define IEEE80211_STYPE_ASSOC_REQ 0x0000
#define IEEE80211_STYPE_ASSOC_RESP 0x0010
#define IEEE80211_STYPE_REASSOC_REQ 0x0020
#define IEEE80211_STYPE_REASSOC_RESP 0x0030
#define IEEE80211_STYPE_PROBE_REQ 0x0040
#define IEEE80211_STYPE_PROBE_RESP 0x0050
#define IEEE80211_STYPE_BEACON 0x0080
#define IEEE80211_STYPE_ATIM 0x0090
#define IEEE80211_STYPE_DISASSOC 0x00A0
#define IEEE80211_STYPE_AUTH 0x00B0
#define IEEE80211_STYPE_DEAUTH 0x00C0
/* control */
#define IEEE80211_STYPE_PSPOLL 0x00A0
#define IEEE80211_STYPE_RTS 0x00B0
#define IEEE80211_STYPE_CTS 0x00C0
#define IEEE80211_STYPE_ACK 0x00D0
#define IEEE80211_STYPE_CFEND 0x00E0
#define IEEE80211_STYPE_CFENDACK 0x00F0
/* data */
#define IEEE80211_STYPE_DATA 0x0000
#define IEEE80211_STYPE_DATA_CFACK 0x0010
#define IEEE80211_STYPE_DATA_CFPOLL 0x0020
#define IEEE80211_STYPE_DATA_CFACKPOLL 0x0030
#define IEEE80211_STYPE_NULLFUNC 0x0040
#define IEEE80211_STYPE_CFACK 0x0050
#define IEEE80211_STYPE_CFPOLL 0x0060
#define IEEE80211_STYPE_CFACKPOLL 0x0070
#define IEEE80211_QOS_DATAGRP 0x0080
#define IEEE80211_QoS_DATAGRP IEEE80211_QOS_DATAGRP
#define IEEE80211_SCTL_FRAG 0x000F
#define IEEE80211_SCTL_SEQ 0xFFF0
/* QoS,QOS */
#define NORMAL_ACK 0
#define NO_ACK 1
#define NON_EXPLICIT_ACK 2
#define BLOCK_ACK 3
#ifndef ETH_P_PAE
#define ETH_P_PAE 0x888E /* Port Access Entity (IEEE 802.1X) */
#endif /* ETH_P_PAE */
#define ETH_P_PREAUTH 0x88C7 /* IEEE 802.11i pre-authentication */
#define ETH_P_ECONET 0x0018
#ifndef ETH_P_80211_RAW
#define ETH_P_80211_RAW (ETH_P_ECONET + 1)
#endif
/* IEEE 802.11 defines */
#define P80211_OUI_LEN 3
struct ieee80211_snap_hdr {
u8 dsap; /* always 0xAA */
u8 ssap; /* always 0xAA */
u8 ctrl; /* always 0x03 */
u8 oui[P80211_OUI_LEN]; /* organizational universal id */
} __packed;
#define SNAP_SIZE sizeof(struct ieee80211_snap_hdr)
#define WLAN_FC_GET_TYPE(fc) ((fc) & IEEE80211_FCTL_FTYPE)
#define WLAN_FC_GET_STYPE(fc) ((fc) & IEEE80211_FCTL_STYPE)
#define WLAN_QC_GET_TID(qc) ((qc) & 0x0f)
#define WLAN_GET_SEQ_FRAG(seq) ((seq) & IEEE80211_SCTL_FRAG)
#define WLAN_GET_SEQ_SEQ(seq) ((seq) & IEEE80211_SCTL_SEQ)
/* Authentication algorithms */
#define WLAN_AUTH_OPEN 0
#define WLAN_AUTH_SHARED_KEY 1
#define WLAN_AUTH_CHALLENGE_LEN 128
#define WLAN_CAPABILITY_BSS (1<<0)
#define WLAN_CAPABILITY_IBSS (1<<1)
#define WLAN_CAPABILITY_CF_POLLABLE (1<<2)
#define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
#define WLAN_CAPABILITY_PRIVACY (1<<4)
#define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5)
#define WLAN_CAPABILITY_PBCC (1<<6)
#define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
#define WLAN_CAPABILITY_SHORT_SLOT (1<<10)
/* Information Element IDs */
#define WLAN_EID_SSID 0
#define WLAN_EID_SUPP_RATES 1
#define WLAN_EID_FH_PARAMS 2
#define WLAN_EID_DS_PARAMS 3
#define WLAN_EID_CF_PARAMS 4
#define WLAN_EID_TIM 5
#define WLAN_EID_IBSS_PARAMS 6
#define WLAN_EID_CHALLENGE 16
#define WLAN_EID_RSN 48
#define WLAN_EID_GENERIC 221
#define IEEE80211_MGMT_HDR_LEN 24
#define IEEE80211_DATA_HDR3_LEN 24
#define IEEE80211_DATA_HDR4_LEN 30
#define IEEE80211_STATMASK_SIGNAL (1<<0)
#define IEEE80211_STATMASK_RSSI (1<<1)
#define IEEE80211_STATMASK_NOISE (1<<2)
#define IEEE80211_STATMASK_RATE (1<<3)
#define IEEE80211_STATMASK_WEMASK 0x7
#define IEEE80211_CCK_MODULATION (1<<0)
#define IEEE80211_OFDM_MODULATION (1<<1)
#define IEEE80211_24GHZ_BAND (1<<0)
#define IEEE80211_52GHZ_BAND (1<<1)
#define IEEE80211_CCK_RATE_LEN 4
#define IEEE80211_NUM_OFDM_RATESLEN 8
#define IEEE80211_CCK_RATE_1MB 0x02
#define IEEE80211_CCK_RATE_2MB 0x04
#define IEEE80211_CCK_RATE_5MB 0x0B
#define IEEE80211_CCK_RATE_11MB 0x16
#define IEEE80211_OFDM_RATE_LEN 8
#define IEEE80211_OFDM_RATE_6MB 0x0C
#define IEEE80211_OFDM_RATE_9MB 0x12
#define IEEE80211_OFDM_RATE_12MB 0x18
#define IEEE80211_OFDM_RATE_18MB 0x24
#define IEEE80211_OFDM_RATE_24MB 0x30
#define IEEE80211_OFDM_RATE_36MB 0x48
#define IEEE80211_OFDM_RATE_48MB 0x60
#define IEEE80211_OFDM_RATE_54MB 0x6C
#define IEEE80211_BASIC_RATE_MASK 0x80
#define IEEE80211_CCK_RATE_1MB_MASK (1<<0)
#define IEEE80211_CCK_RATE_2MB_MASK (1<<1)
#define IEEE80211_CCK_RATE_5MB_MASK (1<<2)
#define IEEE80211_CCK_RATE_11MB_MASK (1<<3)
#define IEEE80211_OFDM_RATE_6MB_MASK (1<<4)
#define IEEE80211_OFDM_RATE_9MB_MASK (1<<5)
#define IEEE80211_OFDM_RATE_12MB_MASK (1<<6)
#define IEEE80211_OFDM_RATE_18MB_MASK (1<<7)
#define IEEE80211_OFDM_RATE_24MB_MASK (1<<8)
#define IEEE80211_OFDM_RATE_36MB_MASK (1<<9)
#define IEEE80211_OFDM_RATE_48MB_MASK (1<<10)
#define IEEE80211_OFDM_RATE_54MB_MASK (1<<11)
#define IEEE80211_CCK_RATES_MASK 0x0000000F
#define IEEE80211_CCK_BASIC_RATES_MASK (IEEE80211_CCK_RATE_1MB_MASK | \
IEEE80211_CCK_RATE_2MB_MASK)
#define IEEE80211_CCK_DEFAULT_RATES_MASK (IEEE80211_CCK_BASIC_RATES_MASK | \
IEEE80211_CCK_RATE_5MB_MASK | \
IEEE80211_CCK_RATE_11MB_MASK)
#define IEEE80211_OFDM_RATES_MASK 0x00000FF0
#define IEEE80211_OFDM_BASIC_RATES_MASK (IEEE80211_OFDM_RATE_6MB_MASK | \
IEEE80211_OFDM_RATE_12MB_MASK | \
IEEE80211_OFDM_RATE_24MB_MASK)
#define IEEE80211_OFDM_DEFAULT_RATES_MASK (IEEE80211_OFDM_BASIC_RATES_MASK | \
IEEE80211_OFDM_RATE_9MB_MASK | \
IEEE80211_OFDM_RATE_18MB_MASK | \
IEEE80211_OFDM_RATE_36MB_MASK | \
IEEE80211_OFDM_RATE_48MB_MASK | \
IEEE80211_OFDM_RATE_54MB_MASK)
#define IEEE80211_DEFAULT_RATES_MASK (IEEE80211_OFDM_DEFAULT_RATES_MASK | \
IEEE80211_CCK_DEFAULT_RATES_MASK)
#define IEEE80211_NUM_OFDM_RATES 8
#define IEEE80211_NUM_CCK_RATES 4
#define IEEE80211_OFDM_SHIFT_MASK_A 4
/* NOTE: This data is for statistical purposes; not all hardware provides this
* information for frames received. Not setting these will not cause
* any adverse affects.
*/
struct ieee80211_rx_stats {
s8 rssi;
u8 signal;
u8 noise;
u8 received_channel;
u16 rate; /* in 100 kbps */
u8 mask;
u8 freq;
u16 len;
};
/* IEEE 802.11 requires that STA supports concurrent reception of at least
* three fragmented frames. This define can be increased to support more
* concurrent frames, but it should be noted that each entry can consume about
* 2 kB of RAM and increasing cache size will slow down frame reassembly.
*/
#define IEEE80211_FRAG_CACHE_LEN 4
struct ieee80211_frag_entry {
u32 first_frag_time;
uint seq;
uint last_frag;
uint qos; /*jackson*/
uint tid; /*jackson*/
struct sk_buff *skb;
u8 src_addr[ETH_ALEN];
u8 dst_addr[ETH_ALEN];
};
struct ieee80211_stats {
uint tx_unicast_frames;
uint tx_multicast_frames;
uint tx_fragments;
uint tx_unicast_octets;
uint tx_multicast_octets;
uint tx_deferred_transmissions;
uint tx_single_retry_frames;
uint tx_multiple_retry_frames;
uint tx_retry_limit_exceeded;
uint tx_discards;
uint rx_unicast_frames;
uint rx_multicast_frames;
uint rx_fragments;
uint rx_unicast_octets;
uint rx_multicast_octets;
uint rx_fcs_errors;
uint rx_discards_no_buffer;
uint tx_discards_wrong_sa;
uint rx_discards_undecryptable;
uint rx_message_in_msg_fragments;
uint rx_message_in_bad_msg_fragments;
};
struct ieee80211_softmac_stats {
uint rx_ass_ok;
uint rx_ass_err;
uint rx_probe_rq;
uint tx_probe_rs;
uint tx_beacons;
uint rx_auth_rq;
uint rx_auth_rs_ok;
uint rx_auth_rs_err;
uint tx_auth_rq;
uint no_auth_rs;
uint no_ass_rs;
uint tx_ass_rq;
uint rx_ass_rq;
uint tx_probe_rq;
uint reassoc;
uint swtxstop;
uint swtxawake;
};
#define SEC_KEY_1 (1<<0)
#define SEC_KEY_2 (1<<1)
#define SEC_KEY_3 (1<<2)
#define SEC_KEY_4 (1<<3)
#define SEC_ACTIVE_KEY (1<<4)
#define SEC_AUTH_MODE (1<<5)
#define SEC_UNICAST_GROUP (1<<6)
#define SEC_LEVEL (1<<7)
#define SEC_ENABLED (1<<8)
#define SEC_LEVEL_0 0 /* None */
#define SEC_LEVEL_1 1 /* WEP 40 and 104 bit */
#define SEC_LEVEL_2 2 /* Level 1 + TKIP */
#define SEC_LEVEL_2_CKIP 3 /* Level 1 + CKIP */
#define SEC_LEVEL_3 4 /* Level 2 + CCMP */
#define WEP_KEYS 4
#define WEP_KEY_LEN 13
struct ieee80211_security {
u16 active_key:2,
enabled:1,
auth_mode:2,
auth_algo:4,
unicast_uses_group:1;
u8 key_sizes[WEP_KEYS];
u8 keys[WEP_KEYS][WEP_KEY_LEN];
u8 level;
u16 flags;
} __packed;
/*
*
* 802.11 data frame from AP
*
* ,-------------------------------------------------------------------.
* Bytes | 2 | 2 | 6 | 6 | 6 | 2 | 0..2312 | 4 |
* |------|------|---------|---------|---------|------|---------|------|
* Desc. | ctrl | dura | DA/RA | TA | SA | Sequ | frame | fcs |
* | | tion | (BSSID) | | | ence | data | |
* `-------------------------------------------------------------------'
*
* Total: 28-2340 bytes
*
*/
struct ieee80211_header_data {
u16 frame_ctl;
u16 duration_id;
u8 addr1[6];
u8 addr2[6];
u8 addr3[6];
u16 seq_ctrl;
};
#define BEACON_PROBE_SSID_ID_POSITION 12
/* Management Frame Information Element Types */
#define MFIE_TYPE_SSID 0
#define MFIE_TYPE_RATES 1
#define MFIE_TYPE_FH_SET 2
#define MFIE_TYPE_DS_SET 3
#define MFIE_TYPE_CF_SET 4
#define MFIE_TYPE_TIM 5
#define MFIE_TYPE_IBSS_SET 6
#define MFIE_TYPE_CHALLENGE 16
#define MFIE_TYPE_ERP 42
#define MFIE_TYPE_RSN 48
#define MFIE_TYPE_RATES_EX 50
#define MFIE_TYPE_GENERIC 221
struct ieee80211_info_element_hdr {
u8 id;
u8 len;
} __packed;
struct ieee80211_info_element {
u8 id;
u8 len;
u8 data[0];
} __packed;
/*
* These are the data types that can make up management packets
*
u16 auth_algorithm;
u16 auth_sequence;
u16 beacon_interval;
u16 capability;
u8 current_ap[ETH_ALEN];
u16 listen_interval;
struct {
u16 association_id:14, reserved:2;
} __packed;
u32 time_stamp[2];
u16 reason;
u16 status;
*/
#define IEEE80211_DEFAULT_TX_ESSID "Penguin"
#define IEEE80211_DEFAULT_BASIC_RATE 10
struct ieee80211_authentication {
struct ieee80211_header_data header;
u16 algorithm;
u16 transaction;
u16 status;
} __packed;
struct ieee80211_probe_response {
struct ieee80211_header_data header;
u32 time_stamp[2];
u16 beacon_interval;
u16 capability;
struct ieee80211_info_element info_element;
} __packed;
struct ieee80211_probe_request {
struct ieee80211_header_data header;
} __packed;
struct ieee80211_assoc_request_frame {
struct ieee80211_hdr_3addr header;
u16 capability;
u16 listen_interval;
struct ieee80211_info_element_hdr info_element;
} __packed;
struct ieee80211_assoc_response_frame {
struct ieee80211_hdr_3addr header;
u16 capability;
u16 status;
u16 aid;
} __packed;
struct ieee80211_txb {
u8 nr_frags;
u8 encrypted;
u16 reserved;
u16 frag_size;
u16 payload_size;
struct sk_buff *fragments[0];
};
/* SWEEP TABLE ENTRIES NUMBER*/
#define MAX_SWEEP_TAB_ENTRIES 42
#define MAX_SWEEP_TAB_ENTRIES_PER_PACKET 7
/* MAX_RATES_LENGTH needs to be 12. The spec says 8, and many APs
* only use 8, and then use extended rates for the remaining supported
* rates. Other APs, however, stick all of their supported rates on the
* main rates information element...
*/
#define MAX_RATES_LENGTH ((u8)12)
#define MAX_RATES_EX_LENGTH ((u8)16)
#define MAX_NETWORK_COUNT 128
#define MAX_CHANNEL_NUMBER 161
#define IEEE80211_SOFTMAC_SCAN_TIME 400
/*(HZ / 2)*/
#define IEEE80211_SOFTMAC_ASSOC_RETRY_TIME (HZ * 2)
#define CRC_LENGTH 4U
#define MAX_WPA_IE_LEN 128
#define NETWORK_EMPTY_ESSID (1<<0)
#define NETWORK_HAS_OFDM (1<<1)
#define NETWORK_HAS_CCK (1<<2)
#define IEEE80211_DTIM_MBCAST 4
#define IEEE80211_DTIM_UCAST 2
#define IEEE80211_DTIM_VALID 1
#define IEEE80211_DTIM_INVALID 0
#define IEEE80211_PS_DISABLED 0
#define IEEE80211_PS_UNICAST IEEE80211_DTIM_UCAST
#define IEEE80211_PS_MBCAST IEEE80211_DTIM_MBCAST
#define IW_ESSID_MAX_SIZE 32
/*
* join_res:
* -1: authentication fail
* -2: association fail
* > 0: TID
*/
enum ieee80211_state {
/* the card is not linked at all */
IEEE80211_NOLINK = 0,
/* IEEE80211_ASSOCIATING* are for BSS client mode
* the driver shall not perform RX filtering unless
* the state is LINKED.
* The driver shall just check for the state LINKED and
* defaults to NOLINK for ALL the other states (including
* LINKED_SCANNING)
*/
/* the association procedure will start (wq scheduling)*/
IEEE80211_ASSOCIATING,
IEEE80211_ASSOCIATING_RETRY,
/* the association procedure is sending AUTH request*/
IEEE80211_ASSOCIATING_AUTHENTICATING,
/* the association procedure has successfully authenticated
* and is sending association request
*/
IEEE80211_ASSOCIATING_AUTHENTICATED,
/* the link is ok. the card associated to a BSS or linked
* to a ibss cell or acting as an AP and creating the bss
*/
IEEE80211_LINKED,
/* same as LINKED, but the driver shall apply RX filter
* rules as we are in NO_LINK mode. As the card is still
* logically linked, but it is doing a syncro site survey
* then it will be back to LINKED state.
*/
IEEE80211_LINKED_SCANNING,
};
#define DEFAULT_MAX_SCAN_AGE (15 * HZ)
#define DEFAULT_FTS 2346
#define CFG_IEEE80211_RESERVE_FCS (1<<0)
#define CFG_IEEE80211_COMPUTE_FCS (1<<1)
#define MAXTID 16
#define IEEE_A (1<<0)
#define IEEE_B (1<<1)
#define IEEE_G (1<<2)
#define IEEE_MODE_MASK (IEEE_A|IEEE_B|IEEE_G)
static inline int ieee80211_is_empty_essid(const char *essid, int essid_len)
{
/* Single white space is for Linksys APs */
if (essid_len == 1 && essid[0] == ' ')
return 1;
/* Otherwise, if the entire essid is 0, we assume it is hidden */
while (essid_len) {
essid_len--;
if (essid[essid_len] != '\0')
return 0;
}
return 1;
}
static inline int ieee80211_get_hdrlen(u16 fc)
{
int hdrlen = 24;
switch (WLAN_FC_GET_TYPE(fc)) {
case IEEE80211_FTYPE_DATA:
if (fc & IEEE80211_QOS_DATAGRP)
hdrlen += 2;
if ((fc & IEEE80211_FCTL_FROMDS) && (fc & IEEE80211_FCTL_TODS))
hdrlen += 6; /* Addr4 */
break;
case IEEE80211_FTYPE_CTL:
switch (WLAN_FC_GET_STYPE(fc)) {
case IEEE80211_STYPE_CTS:
case IEEE80211_STYPE_ACK:
hdrlen = 10;
break;
default:
hdrlen = 16;
break;
}
break;
}
return hdrlen;
}
struct registry_priv;
u8 *r8712_set_ie(u8 *pbuf, sint index, uint len, u8 *source, uint *frlen);
u8 *r8712_get_ie(u8 *pbuf, sint index, sint *len, sint limit);
unsigned char *r8712_get_wpa_ie(unsigned char *pie, int *rsn_ie_len, int limit);
unsigned char *r8712_get_wpa2_ie(unsigned char *pie, int *rsn_ie_len,
int limit);
int r8712_parse_wpa_ie(u8 *wpa_ie, int wpa_ie_len, int *group_cipher,
int *pairwise_cipher);
int r8712_parse_wpa2_ie(u8 *wpa_ie, int wpa_ie_len, int *group_cipher,
int *pairwise_cipher);
int r8712_get_sec_ie(u8 *in_ie, uint in_len, u8 *rsn_ie, u16 *rsn_len,
u8 *wpa_ie, u16 *wpa_len);
int r8712_get_wps_ie(u8 *in_ie, uint in_len, u8 *wps_ie, uint *wps_ielen);
int r8712_generate_ie(struct registry_priv *pregistrypriv);
uint r8712_is_cckrates_included(u8 *rate);
uint r8712_is_cckratesonly_included(u8 *rate);
#endif /* IEEE80211_H */